Estimates are adjusted for seasonal variation, but not for price changes. Total sales estimates are also adjusted for trading-day differences and moving holidays.
Last reported quarter 2017 Q2 it was $111.54 billion, up by 16% from $96.28 billion the same quarter a year before.
Since 2015 it increased by 14%, from $341.49 billion to $389.94 billion in 2016.
Source: The Census Bureau of the Department of Commerce.